text: /*-
   * Copyright (c) 1990, 1993, 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Cimarron D. Taylor of the University of California, Berkeley.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #ifndef lint
  #if 0
  static char sccsid[] = "@(#)misc.c	8.2 (Berkeley) 4/1/94";
  #else
  #endif
  #endif /* not lint */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: src/usr.bin/find/misc.c,v 1.8 2005/04/02 07:44:12 tjr Exp $");
  
  #include <sys/types.h>
  #include <sys/stat.h>
  
  #include <err.h>
  #include <errno.h>
  #include <fts.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "find.h"
  
  /*
   * brace_subst --
   *	Replace occurrences of {} in s1 with s2 and return the result string.
   */
  void
  brace_subst(char *orig, char **store, char *path, int len)
  {
  	int plen;
  	char ch, *p;
  
  	plen = strlen(path);
  	for (p = *store; (ch = *orig) != '\0'; ++orig)
  		if (ch == '{' && orig[1] == '}') {
  			while ((p - *store) + plen > len)
  				if (!(*store = realloc(*store, len *= 2)))
  					err(1, NULL);
  			memmove(p, path, plen);
  			p += plen;
  			++orig;
  		} else
  			*p++ = ch;
  	*p = '\0';
  }
  
  /*
   * queryuser --
   *	print a message to standard error and then read input from standard
   *	input. If the input is an affirmative response (according to the
   *	current locale) then 1 is returned.
   */
  int
  queryuser(char *argv[])
  {
  	char *p, resp[256];
  
  	(void)fprintf(stderr, "\"%s", *argv);
  	while (*++argv)
  		(void)fprintf(stderr, " %s", *argv);
  	(void)fprintf(stderr, "\"? ");
  	(void)fflush(stderr);
  
  	if (fgets(resp, sizeof(resp), stdin) == NULL)
  		*resp = '\0';
  	if ((p = strchr(resp, '\n')) != NULL)
  		*p = '\0';
  	else {
  		(void)fprintf(stderr, "\n");
  		(void)fflush(stderr);
  	}
          return (rpmatch(resp) == 1);
  }
  